In many videos, as in this one, high temperature superconductors are used to explain the Meissner effect, which is not correct. Please, watch the video attached, which explains the difference between Meissner effect and flux pinning levitation. The latter is what happens when a high temperature superconductor such as YBaCuO cooled with liquid nitrogen is used. What's The Difference Between The Meissner Effect & Flux Pinning Re-Edit! kzbin.info/www/bejne/oqm6o4WceJaMY6M

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